The purpose of this study was to analyze the influence of leadership style, individual characteristics and work environment on the performance of members in Kesdam XII / Tanjungpura Pontianak, either simultaneously or partially. This study also wanted to analyze which variables of leadership style, individual characteristics and work environment had dominant influence on the performance of members in Kesdam XII / Tanjungpura Pontianak. This type of research is an explanatory research type. The study population was all members of Kesdam XII / Tanjungpura Pontianak, as many as 50 members. Considering that the population is not too large, a census research is used, namely all members of the Kesdam XII / Tanjungpura Pontianak will be research respondents. The analysis method uses multiple linear regression and hypothesis testing. The results showed that the leadership style, individual characteristics and work environment on the performance of members in Kesdam XII / Tanjungpura Pontianak, either simultaneously or partially. Furthermore, this study identifies that leadership style has a dominant effect on the performance of members in Kesdam XII / Tanjungpura Pontianak.